CVE-2026-53563

Persistent Command Execution

MEDIUM

6.9

CVSS Score

Published: October 13, 2026 at 10:04 PM UTC

Updated: October 14, 2026 at 07:17 PM UTC

1 product affected across 1 vendorUniconos

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Severity

MEDIUM6.9

Exploit prediction

EPSS 0.3%

SSVC

No known exploit

Description

Vulnerability in Citrix UniconOS leading to Persistent Command Execution This issue affects UniconOS: before 2607.2 CR and before 2603 LTSR CU2.

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

90%

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

Source: cverecord

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

6.9MEDIUMCitrix

Vector?

StatusAWAITING ANALYSIS

CWE

CWE-78

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